Patching React-Native in a script run by npm/yarn postinstall

patch33x.sh

#!/bin/sh

# Fix RN version 33
yarn list react-native |grep react-native |grep 0.33
if [ $? -eq 0 ];
then
    echo "Checking that ReactNative v 33 is patched"
    cd node_modules/react-native
    patch -N -p1 --dry-run --silent < ../../notes/rn33.3x.patch >/dev/null 2>&1
    if [ $? -eq 0 ];
    then
        # apply the patch
        patch -N -p1 < ../../notes/rn33.3x.patch
    else
        echo "Patch already applied"
    fi
else
    echo "React Native not version 33, skipping patch"
fi

rn33.3x.patch

diff -Naur --exclude='*.plist' react-native.orig/Libraries/Geolocation/RCTLocationObserver.m react-native/Libraries/Geolocation/RCTLocationObserver.m
--- react-native.orig/Libraries/Geolocation/RCTLocationObserver.m	2016-09-23 05:09:36.000000000 -0600
+++ react-native/Libraries/Geolocation/RCTLocationObserver.m	2018-04-15 16:36:14.000000000 -0600
@@ -160,7 +160,7 @@
 - (void)timeout:(NSTimer *)timer
 {
   RCTLocationRequest *request = timer.userInfo;
-  NSString *message = [NSString stringWithFormat: @"Unable to fetch location within %zds.", (NSInteger)(timer.timeInterval * 1000.0)];
+  NSString *message = [NSString stringWithFormat: @"Unable to fetch location within %zds.", (long)(timer.timeInterval * 1000.0)];
   request.errorBlock(@[RCTPositionError(RCTPositionErrorTimeout, message)]);
   [_pendingRequests removeObject:request];
 
diff -Naur --exclude='*.plist' react-native.orig/Libraries/Image/RCTImageCache.m react-native/Libraries/Image/RCTImageCache.m
--- react-native.orig/Libraries/Image/RCTImageCache.m	2016-09-23 05:09:36.000000000 -0600
+++ react-native/Libraries/Image/RCTImageCache.m	2018-04-15 16:32:27.000000000 -0600
@@ -26,7 +26,7 @@
                                      RCTResizeMode resizeMode, NSString *responseDate)
 {
     return [NSString stringWithFormat:@"%@|%g|%g|%g|%zd|%@",
-            imageTag, size.width, size.height, scale, resizeMode, responseDate];
+            imageTag, size.width, size.height, scale, (long)resizeMode, responseDate];
 }
 
 @implementation RCTImageCache
diff -Naur --exclude='*.plist' react-native.orig/Libraries/Text/RCTTextField.m react-native/Libraries/Text/RCTTextField.m
--- react-native.orig/Libraries/Text/RCTTextField.m	2016-09-23 05:09:36.000000000 -0600
+++ react-native/Libraries/Text/RCTTextField.m	2018-04-15 16:35:01.000000000 -0600
@@ -82,7 +82,7 @@
       self.selectedTextRange = [self textRangeFromPosition:position toPosition:position];
     }
   } else if (eventLag > RCTTextUpdateLagWarningThreshold) {
-    RCTLogWarn(@"Native TextInput(%@) is %zd events ahead of JS - try to make your JS faster.", self.text, eventLag);
+    RCTLogWarn(@"Native TextInput(%@) is %zd events ahead of JS - try to make your JS faster.", self.text, (long)eventLag);
   }
 }
 
diff -Naur --exclude='*.plist' react-native.orig/Libraries/Text/RCTTextView.m react-native/Libraries/Text/RCTTextView.m
--- react-native.orig/Libraries/Text/RCTTextView.m	2016-09-23 05:09:36.000000000 -0600
+++ react-native/Libraries/Text/RCTTextView.m	2018-04-15 16:34:19.000000000 -0600
@@ -475,7 +475,7 @@
     [self updateContentSize]; //keep the text wrapping when the length of
     //the textline has been extended longer than the length of textinputView
   } else if (eventLag > RCTTextUpdateLagWarningThreshold) {
-    RCTLogWarn(@"Native TextInput(%@) is %zd events ahead of JS - try to make your JS faster.", self.text, eventLag);
+    RCTLogWarn(@"Native TextInput(%@) is %zd events ahead of JS - try to make your JS faster.", self.text, (long)eventLag);
   }
 }